303130117 has 2 divisors, whose sum is σ = 303130118. Its totient is φ = 303130116.

The previous prime is 303130109. The next prime is 303130129. The reversal of 303130117 is 711031303.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 228584161 + 74545956 = 15119^2 + 8634^2 .

It is an emirp because it is prime and its reverse (711031303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 303130117 - 2³ = 303130109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 303130094 and 303130103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (303130147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151565058 + 151565059.

It is an arithmetic number, because the mean of its divisors is an integer number (151565059).

Almost surely, 2^303130117 is an apocalyptic number.

It is an amenable number.

303130117 is a deficient number, since it is larger than the sum of its proper divisors (1).

303130117 is an equidigital number, since it uses as much as digits as its factorization.

303130117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 19.

The square root of 303130117 is about 17410.6322975359. The cubic root of 303130117 is about 671.7531254028.

The spelling of 303130117 in words is "three hundred three million, one hundred thirty thousand, one hundred seventeen".